Model 31

Recording by Karlheinz Stockhausen.

Recording identifiers

ISRC
UKA682100030
CopyrightID (CopyrightChains transaction hash)
0x7001c5d388eefb4791d0011396052a8bad71733bab5004f867c50848e7699aef
Copyright registration time
2026-07-30T23:44:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:b61a47381a4c0554201a190a81c7526155f6404d81f9123d12375f26e252272a

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.